390889744

素因数分解:

$2^4\times 7^1\times {\mathrm{127}}^1\times {\mathrm{27481}}^1$

素因数の和:27623

約数の個数: 40

約数和(自身を含む): 872388608

約数和(自身を除く): 481498864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 127, 254, 508, 889, 1016, 1778, 2032, 3556, 7112, 14224, 27481, 54962, 109924, 192367, 219848, 384734, 439696, 769468, 1538936, 3077872, 3490087, 6980174, 13960348, 24430609, 27920696, 48861218, 55841392, 97722436, 195444872, 390889744]

約数ペア:

[(1, 390889744), (2, 195444872), (4, 97722436), (7, 55841392), (8, 48861218), (14, 27920696), (16, 24430609), (28, 13960348), (56, 6980174), (112, 3490087), (127, 3077872), (254, 1538936), (508, 769468), (889, 439696), (1016, 384734), (1778, 219848), (2032, 192367), (3556, 109924), (7112, 54962), (14224, 27481)]